<pre class="hljs"><code class="language-java"><span class="hljs-keyword">public</span> <span class="hljs-keyword">class</span> <span class="hljs-title class_">Main</span> {
    <span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> <span class="hljs-keyword">void</span> <span class="hljs-title function_">main</span><span class="hljs-params">(String[] args)</span> {
        <span class="hljs-type">boolean</span> <span class="hljs-variable">x</span> <span class="hljs-operator">=</span> args.length &gt;= <span class="hljs-number">1</span> &amp;&amp; args.length &lt;= <span class="hljs-number">3</span>;
        System.out.println(<span class="hljs-string">&quot;Hello, world!&quot;</span>);
    }
}
</code></pre>
<pre class="hljs"><code class="language-text">Plain text only: a &amp; b &gt; 0.
</code></pre>
<pre class="hljs"><code class="language-notfound">Language not found: a &amp; b &gt; 0.
</code></pre>
